On 30 November 2012, the BBC announced that an adaptation of Jonathan Strange & Mr Norrell had been commissioned for BBC One. The production was officially greenlit as a seven hour miniseries in April 2013, with a projected 2014 premiere date. BBC America noted that it would broadcast the miniseries during its ""Supernatural Saturday" science fiction and fantasy programming block.Adapted by Harness and directed by Toby Haynes, the series was produced by Nick Hirschkorn, with executive producers Nick Marston, Tally Garner, Dixie Linder, Justin Thomson-Glover, Patrick Irwin and Matthew Read. Co-production credits are shared by Cuba Pictures and BBC America, Feel Films, Far Moor, Screen Yorkshire and Space.